The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 1996
Filed:
Dec. 12, 1994
Applicant:
Inventors:
Kenichi Tominari, Narashino, JP;
Akio Kanezawa, Sodegaura, JP;
Takeshi Sakashita, Moka, JP;
Kimiyoshi Miura, Saeki-gun, JP;
Tomoaki Shimoda, Iwakuni, JP;
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528199 ; 2103231 ; 502150 ; 502152 ; 502157 ; 502200 ; 502202 ; 526 64 ; 526 65 ; 526 67 ; 528196 ; 528198 ; 528200 ; 528201 ; 528204 ; 528219 ; 528271 ; 528272 ; 528274 ; 528275 ;
Abstract
Aromatic polycarbonates manufactured by polycondensation of a dihydric compound and a carbonic acid diester using at least two reactors in series have improved color and low impurities content when filtered before the final reactor and again before the final reactor outlet.
Tominari, Kenichi. (1996). Method for the manufacture of aromatic polycarbonate (U.S. Patent No. 5525701). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5525701
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile